Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.0 04/25] drm/amdgpu: psp_ring_destroy cause psp->km_ring.ring_mem NULL | Date | Fri, 29 Mar 2019 21:28:21 -0400 |
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From: wentalou <Wentao.Lou@amd.com>
[ Upstream commit 14d20ec7f31ef96a2e7dcf7880b13dde1d473b56 ]
psp_ring_destroy inside psp_load_fw cause psp->km_ring.ring_mem NULL. Call Trace occurred when psp_cmd_submit. should be psp_ring_stop instead.
Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Wentao Lou <Wentao.Lou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 3a9b48b227ac..a7208ca0bfe3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -546,7 +546,7 @@ static int psp_load_fw(struct amdgpu_device *adev) struct psp_context *psp = &adev->psp; if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) { - psp_ring_destroy(psp, PSP_RING_TYPE__KM); + psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */ goto skip_memalloc; } -- 2.19.1
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